tape backup meaning in English

磁带备份

Optimizing tape backup device performance
优化磁带备份设备性能
In tape backup files , data block is the unit of physical i o
备份集( backup set )从备份所属的媒体集方面进行说明的单个备份。
For a backup to a tape backup device , the blocksize option to affect the performance of the backup operation
在简单恢复模式下，只允许对只读文件组执行文件组备份。
Or maybe a cluster - with a dedicated database server with raid and tape backups for sure , and also a separate machine to run the interface
或者可能是一个集群有一个使用了raid的专用的数据库服务器，以及磁带备份的保证，还有单独的机器来运行界面。
Several variables affect tape backup device performance and allow sql server backup and restore performance operations to roughly scale linearly as more tape devices are added
有四个变量影响磁带备份设备的性能，并使sql server备份和还原性能操作随磁带设备的添加大致呈线性增长。

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